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Discussion Starter · #1 ·
Hi All,

I had Sumitomo P215/45/r17 tires but I needed to change my front tires as they were almost worn out (1/32 thread level), basically bald and risky. So, on my haste during a weekend, I went to change front tires and got two brand new tires but of the wrong size P215/50/r17. The circumference of the front tires are bigger now ( 80" compare to rear which are 77.3").

Question to you all,
1. Should I immediately replace the front two tires with P215/45/r17?
Or Is it okay to drive the way it is now?

2. Will there be fuel economy impact if I do not change the tires.

Thank you all in advance!!
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